All Images
News Release 10-151
Genetic Structure of First Animal to Show Evolutionary Response to Climate Change Determined
Pitcher plant-dwelling mosquito shows effects of Earth's rapidly changing climate
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.
![Photo of a water-filled purple pitcher plant leaf.](/news/mmg/media/images/pitcher_plant1_f.jpg)
The pitcher plant mosquito develops entirely within the water-filled purple pitcher plant.
Credit: William Bradshaw and Christina Holzapfel
Download the high-resolution JPG version of the image. (113 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of an adult female mosquito descending into a purple pitcher plant leaf.](/news/mmg/media/images/pitcher_plant2_f.jpg)
An adult female mosquito descends into a purple pitcher plant leaf in southern Wisconsin.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (151 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of Wyeomyia smithii.](/news/mmg/media/images/pitcher_plant3_f.jpg)
Populations of Wyeomyia smithii migrated north along the Atlantic Coast about 20,000 years ago.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (380 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of the purple pitcher plant, Sarracenia purpurea.](/news/mmg/media/images/pitcher_plant4_f.jpg)
The purple pitcher plant, Sarracenia purpurea, ranges from the Gulf of Mexico to Canada.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (324 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of S. purpurea and S. flava in northern Florida.](/news/mmg/media/images/pitcher_plant5_f.jpg)
In northern Florida, S. purpurea overlaps with S. flava with which it can form hybrids.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (354 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of red-leaved hybrid of S. purpurea and S. flava.](/news/mmg/media/images/pitcher_plant6_f.jpg)
This hybrid S. purpurea and S. flava plant has red leaves and is more than 35 years old.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (324 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of a pitcher plant with pink flowers, which is characteristic of Gulf Coast populations.](/news/mmg/media/images/pitcher_plant7_f.jpg)
The pitcher plant in this image has the pink flowers characteristic of Gulf Coast populations.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (476 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of crimson flowers which is indicative of northern populations of purple pitcher plants.](/news/mmg/media/images/pitcher_plant8_f1.jpg)
Crimson flowers are indicative of northern populations of the purple pitcher plant.
Credit: Christina Holzapfel and William Bradshaw
Download the high-resolution JPG version of the image. (282 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.